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2016 年度 実施状況報告書

衝突と滑りを考慮した斜張橋の地震応答予測モデルの開発とその直下地震への適用

研究課題

研究課題/領域番号 15K18104
研究機関横浜国立大学

研究代表者

シリンゴリンゴ ディオン  横浜国立大学, 先端科学高等研究院, 特任教員(准教授) (60649507)

研究期間 (年度) 2015-04-01 – 2018-03-31
キーワード斜張橋の地震応答 / 斜張橋のパウンディング / 衝突のモデル化 / 三次元吊形式橋梁モデル
研究実績の概要

The research topic is development and verification of a three-dimensional prediction model for the ultimate seismic performance of link-bearing connection in a cable-stayed bridges in consideration of pounding and longitudinal slip. The main objectives of the research are:
1.To observe pattern regarding vibration response of the bridge during different scale of earthquakes from past events on Yokohama-Bay Bridg(earthquake from 1990-2011).   2.To determine behavior of link-bearing connection in longitudinal direction.   3.To determine pounding behavior between pylon and girder from earthquake records.   4.To develop a three-dimensional finite element model of the bridge that can describe the lateral pounding behavior and longitudinal slip-stick behavior.   5.To test the model for several earthquake scenarios including level 2 earthquake and nearfield earthquake.
The research consists of two parts. Works described in point 1,2,3 are conducted in 1st year, work in point 4 is in 2nd year and work in point 5 will be conducted in the 3rd year.

現在までの達成度 (区分)
現在までの達成度 (区分)

2: おおむね順調に進展している

理由

From five main objectives of the research, analysis regarding the objectives no.1,2 and 3 has been carried out and submitted for publication (reference 1,3,4). The pounding behavior between pylon and girder was established and numerical model to described the behavior is now being verified. The model has some limitation since the contact problem does not include damping effect. This behavior is now being examined and incorporated in three-dimensional model of bridge.
In the past year (2nd year) a complex three-dimensional model of Yokohama-Bay cable-stayed bridge has been developed. Pounding effects were considered in the model. Some of the results of the model has been published and presented at the 16th World Conference on Earthquake Engineering.

今後の研究の推進方策

Plan for next year:
1.Verifying the non-linear longitudinal stick-slip model of link-bearing connection in three-dimensional finite element model.
2.Test for the model for nearfield earthquakes using simulated ground motions from 2016 Kumamoto earthquake.
3.Finalizing publications on the research results, including submission to journal papers all works that presented in the conferences.

  • 研究成果

    (4件)

すべて 2017 2016

すべて 雑誌論文 (2件) (うち国際共著 1件、 査読あり 1件) 学会発表 (2件) (うち国際学会 2件)

  • [雑誌論文] Wind-induced responses and dynamics characteristics of an asymmetrical base-isolated building observed during typhoons2017

    • 著者名/発表者名
      Dionysius M. Siringoringo and Yozo Fujino
    • 雑誌名

      Journal of Wind Engineering and Industrial Aerodynamics

      巻: 167 ページ: 183-197

    • DOI

      https://doi.org/10.1016/j.jweia.2017.04.020

    • 査読あり / 国際共著
  • [雑誌論文] Japan's experience on long-span bridges monitoring2016

    • 著者名/発表者名
      Yozo Fujino and Dionysius M. Siringoringo
    • 雑誌名

      Structural Monitoring and Maintenance

      巻: Vol 3, 3, ページ: 233-257

    • DOI

      http://dx.doi.org/10.12989/smm.2016.3.3.233. 233.

  • [学会発表] Over-twenty-years seismic monitoring of a cable-stayed bridge: lessons learned on structural assessments.2017

    • 著者名/発表者名
      Dionysius M. Siringoringo, Yozo Fujino
    • 学会等名
      16th World Conference on Earthquake Engineering, Santiago, Chile, January 09-13, 2017
    • 発表場所
      Santiago
    • 年月日
      2017-01-09 – 2017-01-13
    • 国際学会
  • [学会発表] Seismic Response Analysis of Hakucho Suspension Bridge from Long-term Monitoring System2016

    • 著者名/発表者名
      Dionysius M. Siringoringo, Yozo Fujino
    • 学会等名
      Challenges in Design and Construction of an Innovative and Sustainable Built Environment, 19th IABSE Congress Stockholm, 21-23 September 2016
    • 発表場所
      Stockholm
    • 年月日
      2016-09-21 – 2016-09-23
    • 国際学会

URL: 

公開日: 2018-01-16  

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